Transport In Plants Test

Transport In Plants

This is Transport In Plants Test-02 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The molecules which move from higher to lower regions are called as
  • A
    Guttation
  • B
    Imbibition
  • C
    Osmosis
    Correct
  • D
    Diffusion
2
\({\psi _p}\) denotes to
  • A
    Water potential
  • B
    Pressure potential
    Correct
  • C
    Solute potential
  • D
    Negative potential
3
Water potential of pure water and its solution are
  • A
    0 and 0
  • B
    0 and less than 1
    Correct
  • C
    0 and 1
  • D
    0 and more than 1
4
Passive water absorption by root system is due to
  • A
    Tension in sap due to transpiration
    Correct
  • B
    Force created in root
  • C
    High respiratory activity of root
  • D
    Osmotic pressure in shoot
5
A concept fundamental to understanding water movement is called
  • A
    Solute potential
  • B
    Water potential
    Correct
  • C
    pressure potential
  • D
    concentration gradient
6
Which of the following has highest water potential?
  • A
    Distilled water
    Correct
  • B
    1 M sugar solution
  • C
    1 M sugar solution with 2-3 bar pressure
  • D
    1 M salt solution
7
In which type of solution, the living cell is placed in figure given below
Question 7 figure 1
  • A
    Isotonic solution
  • B
    Hypotonic solution
  • C
    Hypertonic solution
    Correct
  • D
    Concentrated solution
8
Select the correct equation from the following
  • A
    \({\psi _p} = \Psi s + {\Psi _w}\)
  • B
    \({\psi _s} = {\Psi _p} + {\Psi _w}\)
  • C
    \({\psi _w} = \Psi s + {\Psi _p}\)
    Correct
  • D
    \({\psi _s} = \Psi w + {\Psi _p}\)
9
Which one is not show by plasmolysis
  • A
    It is shown by living cells
  • B
    Cell membrane is semipermeable
  • C
    Cell wall is semipermeable
    Correct
  • D
    Cell is elastic as well as permeable
10
Total water content present in the soil is called
  • A
    Mallard
  • B
    Holard
    Correct
  • C
    Echard
  • D
    Chresard
11
The correct order for instrument used for measuring stomatal size, atmospheric pressure and osmosis is
  • A
    Osmometer, monometer and porometer
  • B
    Porometer, osmometer and monometer
  • C
    Monometer, porometer and osmometer
  • D
    Porometer, monometer and osmometer
    Correct
12
If an osmotic system, one has a water potential of -1000 kPa while the other has -500kPa, which chamber has higher water potential?
  • A
    Chamber with -500kPa
    Correct
  • B
    Chamber with -1000kPa
  • C
    None of these
  • D
    Both have equal water potential
13
A water melon has water percentage about
  • A
    92%
    Correct
  • B
    80%
  • C
    95%
  • D
    82%
14
The absorption of water by seeds and drywood takes place by a special type of diffusion called
  • A
    plasmolysed
  • B
    Flaccid
  • C
    osmosis
  • D
    Imbibition
    Correct
15
Osmotic pressure cannot became zero in a cell. It is zero only in case of
  • A
    Salt saturated water
  • B
    Tap water
  • C
    Sugar saturated water
  • D
    Pure water
    Correct